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preview-tui: ensure 1st hovered file is previewed (#561)
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@ -23,6 +23,25 @@
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TERMINAL="${TERMINAL:-xterm}"
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TERMINAL="${TERMINAL:-xterm}"
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preview_file () {
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clear
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lines=$(($(tput lines)-1))
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cols=$(tput cols)
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mime="$(file -b --mime-type "$1")"
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if [ -d "$1" ]; then
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# Print directory tree
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cd "$1" && tree | head -n $lines | cut -c 1-"$cols"
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elif [ "${mime%%/*}" = "text" ] ; then
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# Print file head
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head -n $lines "$1" | cut -c 1-"$cols"
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else
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# Binary file
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echo "-------- Binary file --------"
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file -b "$1"
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fi
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}
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if [ "$PREVIEW_MODE" ] ; then
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if [ "$PREVIEW_MODE" ] ; then
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if [ ! -r "$NNN_FIFO" ] ; then
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if [ ! -r "$NNN_FIFO" ] ; then
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echo "No FIFO available! (\$NNN_FIFO='$NNN_FIFO')" >&2
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echo "No FIFO available! (\$NNN_FIFO='$NNN_FIFO')" >&2
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@ -30,30 +49,17 @@ if [ "$PREVIEW_MODE" ] ; then
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exit 1
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exit 1
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fi
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fi
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preview_file "$1"
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exec < "$NNN_FIFO"
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exec < "$NNN_FIFO"
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while read -r selection ; do
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while read -r selection ; do
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clear
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preview_file "$selection"
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lines=$(($(tput lines)-1))
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cols=$(tput cols)
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mime="$(file -b --mime-type "$selection")"
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if [ -d "$selection" ]; then
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# Print directory tree
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cd "$selection" && tree | head -n $lines | cut -c 1-"$cols"
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elif [ "${mime%%/*}" = "text" ] ; then
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# Print file head
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head -n $lines "$selection" | cut -c 1-"$cols"
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else
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# Binary file
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echo "-------- Binary file --------"
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file -b "$selection"
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fi
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done
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done
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exit 0
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exit 0
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fi
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fi
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if [ -e "${TMUX%%,*}" ] && [ "$(tmux -V | cut -c6)" -eq 3 ] ; then
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if [ -e "${TMUX%%,*}" ] && [ "$(tmux -V | cut -c6)" -eq 3 ] ; then
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tmux split-window -e "NNN_FIFO=$NNN_FIFO" -e "PREVIEW_MODE=1" -dh "$0"
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tmux split-window -e "NNN_FIFO=$NNN_FIFO" -e "PREVIEW_MODE=1" -dh "$0" "$1"
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else
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else
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PREVIEW_MODE=1 $TERMINAL -e "$0" &
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PREVIEW_MODE=1 $TERMINAL -e "$0" "$1" &
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fi
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fi
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